<template>
	<view class="themeItem">
		<navigator :url="'/pages/classlist/classlist?id='+item._id+'&name='+item.name"  class="box" v-if="!isMore">
			<image class="pic" :src="item.picurl" mode="aspectFill"></image>
			<view class="mask">{{item.name}}</view>
			<view class="tab" v-if="compareTimestamp(item.updateTime)">{{compareTimestamp(item.updateTime)}}前更新</view>
		</navigator>
		
		<navigator url="/pages/classify/classify" open-type="reLaunch" class="box more" v-if="isMore">
			<image class="pic" src="/common/images/more.jpg" mode="aspectFill"></image>
			<view class="mask">
				<uni-icons type="more-filled" size="24" color="#fff"></uni-icons>
				<view class="text">
					更多
				</view>
			</view>
		</navigator>
	</view>
</template>

<script setup>
	import { compareTimestamp } from '../../utils/common';
	defineProps({
		isMore:{
			type:Boolean,
			default:false
		},
		item:{
			type:Object,
			default(){
				return {
					name:"默认名称",
					picurl:"/common/images/classify1.jpg",
					updateTime: Date.now() - 1000*60*60*5
				}
			}
		}
	})
</script>

<style lang="scss" scoped>
.themeItem {
	.box {
		height: 340rpx;
		border-radius: 10rpx;
		overflow: hidden;
		// 定位变遮罩层位置
		position: relative; 
		.pic {
			width: 100%;
			height: 100%;
		}
		.mask {
			width: 100%;
			height: 70rpx;
			position: absolute;
			bottom: 0;
			left: 0;
			background: rgba(0, 0, 0, 0.2);
			color: #fff;
			display: flex;
			justify-content: center;
			align-items: center;
			// 将半透明的背景进行模糊
			backdrop-filter: blur(20rpx);
			font-weight: 600;
			font-size: 30rpx;
		}
		.tab {
			position: absolute;
			left: 0;
			top: 0;
			background: rgba(250, 129, 90, 0.7);
			backdrop-filter: blur(20rpx);
			color: #fff;
			font-size: 22rpx;
			padding: 6rpx 14rpx;
			border-radius: 0 0 20rpx 0;
		}
	}
	.box.more {
		.mask {
			width: 100%;
			height: 100%;
			flex-direction: column;
		}
		.text {
			font-size: 28rpx;
		}
	}
}
</style>